SciPost Submission Page
Implications of tau data for CP violation in K decays
by A. Rodríguez-Sánchez
This Submission thread is now published as
Submission summary
| Authors (as registered SciPost users): | Antonio Rodriguez Sanchez |
| Submission information | |
|---|---|
| Preprint Link: | scipost_201811_00027v1 (pdf) |
| Date accepted: | 2019-01-15 |
| Date submitted: | 2018-11-16 01:00 |
| Submitted by: | Rodriguez Sanchez, Antonio |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | The 15th International Workshop on Tau Lepton Physics (TAU2018) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
|
| Approach: | Theoretical |
Abstract
The $D=6$ contribution of the Operator Product Expansion (OPE) of the VV-AA correlator of quark currents can be related to hadronic matrix elements associated to CP violation in non-leptonic kaon decays. We use those relations to find an updated value for $\langle(\pi\pi)_{I=2}|\mathcal{Q}_{8}|K\rangle$ in the chiral limit using the updated ALEPH spectral function. Taking instead values of the matrix elements from the lattice to obtain the $D=6$ vacuum elements provides a new short-distance constraint that allows for an inclusive determination of $f_{\pi}$ and an updated value for the $D=8$ condensate.
Published as SciPost Phys. Proc. 1, 005 (2019)
Reports on this Submission
Report #1 by Anonymous (Referee 1) on 2018-12-13 (Invited Report)
- Cite as: Anonymous, Report on arXiv:scipost_201811_00027v1, delivered 2018-12-13, doi: 10.21468/SciPost.Report.741
Report
The conference contribution under consideration presents in part updated results of the reviewed journal publication Phys. Rev. D94 (2016) 014017. Furthermore, together with A. Pich, it has already been published as a rather similar proceedings article arXiv:1811.06706 [hep-ph] for the QCD 18 conference in Montpellier. It is reasonably well written and clear. Hence, in my opinion there is no need for a more detailed report.